
Fossils reveal what the fur of early mammals looked like
Illustration of Arboroharamiya fuscus, a newly discovered Jurassic mammal species with dark fur Chuang Zhao, Ruoshuang Li While many dinosaurs and pterosaurs flaunted flamboyant feathers, early mammals were a dull lot. A study of the fossilised fur of six mammals that lived during the Jurassic and Cretaceous periods has found they all had greyish-brown fur….